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Dayco 87746 HVAC Heater Hose
Overview of Dayco Small I.D. Heater Hose 87746
The Dayco Small I.D. Heater Hose 87746 is designed for reliable HVAC system performance in select Acura, Chrysler, Dodge, Ford, and Honda vehicles. This hose ensures proper coolant flow within the heating system, maintaining cabin comfort and engine efficiency.
- Constructed from durable EPDM material for heat and chemical resistance
- Black color for standard OEM appearance
- Consistent 5/8 inch inside diameter on both ends for secure fitment
- Single inside diameter hose type for straightforward installation
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Trunk height dimension of 6 inches for precise fit
Detailed Product Description
The Dayco Small I.D. Heater Hose 87746 is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a uniform 5/8 inch inside diameter on both ends, ensuring compatibility with HVAC heater connections in vehicles such as the Acura MDX and Honda Pilot. The hose does not include a heat shield or protective sleeve, making it suitable for applications where additional insulation is not required. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems. The 6-inch trunk height dimension supports proper routing and fit within the engine bay.
About the Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on providing precise diameter hoses tailored for HVAC systems requiring smaller inside diameters. This product line emphasizes material quality and specification compliance to meet the demands of various vehicle makes and models. The 87746 part is a representative component within this line, offering a balance of durability and fitment accuracy for compatible vehicles.
Common Applications and Problem Solving
- Replacement of worn or cracked heater hoses in Acura MDX and Honda Pilot models
- Resolving coolant leaks that affect heating system performance in Chrysler Town & Country and Dodge Grand Caravan
- Addressing hose degradation due to heat exposure in Ford Mustang and Honda Odyssey
- Ensuring proper coolant flow to maintain consistent cabin heating
- Preventing overheating issues related to faulty heater hose connections
Installation Notes and Tips
When installing the Dayco Small I.D. Heater Hose 87746, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and engine fittings. Use appropriate clamps to secure the hose ends firmly. Since this hose does not include a heat shield or protective sleeve, consider the surrounding engine bay environment to avoid premature wear.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 87746 to meet stringent SAE specifications, ensuring reliable performance in HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and material quality. Confirm warranty coverage with the point of purchase or manufacturer documentation.
| Brand | Dayco |
| Part Number | 87746 |
| Position | Small I.D. Heater Hose, Oil Cooler To Pipe |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 6 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chrysler | Town & Country | 3.8L | V6 | Oil Cooler To Pipe | w/Oil Cooler; Small I.D. Heater Hose |
| 2009 | Dodge | Grand Caravan | 3.8L | V6 | Oil Cooler To Pipe | w/Oil Cooler; Small I.D. Heater Hose |
| 2008 | Chrysler | Town & Country | 3.8L | V6 | Oil Cooler To Pipe | w/Oil Cooler; Small I.D. Heater Hose |
| 2008 | Dodge | Grand Caravan | 3.8L | V6 | Oil Cooler To Pipe | w/Oil Cooler; Small I.D. Heater Hose |
| 2008 | Honda | Pilot | Valve To Engine | Small I.D. Heater Hose | ||
| 2007 | Honda | Pilot | Valve To Engine | Small I.D. Heater Hose | ||
| 2006 | Acura | MDX | Heater To Valve | Small I.D. Heater Hose | ||
| 2006 | Honda | Pilot | Valve To Engine | Small I.D. Heater Hose | ||
| 2005 | Acura | MDX | Heater To Valve | Small I.D. Heater Hose | ||
| 2004 | Acura | MDX | Heater To Valve | Small I.D. Heater Hose | ||
| 2004 | Honda | Odyssey | Pipe To Valve | Small I.D. Heater Hose | ||
| 2004 | Honda | Pilot | Pipe To Valve | Small I.D. Heater Hose | ||
| 2003 | Acura | MDX | Heater To Valve | Small I.D. Heater Hose | ||
| 2003 | Honda | Odyssey | Pipe To Valve | Small I.D. Heater Hose | ||
| 2003 | Honda | Pilot | Pipe To Valve | Small I.D. Heater Hose | ||
| 2002 | Acura | MDX | Pipe To Valve | Small I.D. Heater Hose | ||
| 2002 | Honda | Odyssey | Pipe To Valve | Small I.D. Heater Hose | ||
| 2001 | Acura | MDX | Pipe To Valve | Small I.D. Heater Hose | ||
| 2001 | Honda | Odyssey | Pipe To Valve | Small I.D. Heater Hose | ||
| 2000 | Ford | Mustang | 3.8L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2000 | Honda | Odyssey | 3.5L | V6 | Pipe To Valve | Small I.D. Heater Hose |
| 1999 | Ford | Mustang | 3.8L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1999 | Honda | Odyssey | Pipe To Valve | Small I.D. Heater Hose | ||
| 1998 | Ford | Mustang | 3.8L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1997 | Ford | Mustang | 3.8L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1996 | Ford | Mustang | 3.8L | V6 | Heater Outlet | Heater End; Small I.D. Heater Hose |
| 1995 | Ford | Mustang | 3.8L | V6 | Heater Outlet | Heater End; Small I.D. Heater Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.